Top quality full grain leather is used to make the most technologically advanced motorcycle engineer biker boots ever, the Xelement 1440 'Classic' Men's Black Engineer Boots. Great classic look for a 13 inch engineer biker boot (13 inches from heel to top, full 11 inch leather shaft). Features Goodyear welt construction, which stitches the leather to the non-marking rubber outsoles and gives you a secure, flexible fit that's just right. This is the most technologically advanced mens biker boot built for long-term durability, comfort, and protection. Sold exclusively at LeatherUp, the most popular online motorcycle store.